const install = function(Vue){
	
	const Bus = new Vue({
		methods:{
			
			emit(event,...args){
				this.$emit(event, ...args); 
			},
			on(event,callback){
				this.$on(event,callback);
			},
			off(event,callback){
				this.$off(event,callback); 
			}
			
		}
		
	})
	Vue.prototype.$bus  = Bus;
};

export default install;